CN116593797A - Energy-saving test system and method for cable current circulation heating test - Google Patents
Energy-saving test system and method for cable current circulation heating test Download PDFInfo
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- CN116593797A CN116593797A CN202310408831.1A CN202310408831A CN116593797A CN 116593797 A CN116593797 A CN 116593797A CN 202310408831 A CN202310408831 A CN 202310408831A CN 116593797 A CN116593797 A CN 116593797A
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- 238000012360 testing method Methods 0.000 title claims abstract description 137
- 238000010438 heat treatment Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 116
- 239000004065 semiconductor Substances 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 238000002955 isolation Methods 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 17
- 125000004122 cyclic group Chemical group 0.000 claims description 14
- 230000005855 radiation Effects 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims 3
- 230000005611 electricity Effects 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 description 22
- 238000010586 diagram Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000013095 identification testing Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/003—Environmental or reliability tests
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
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- Thermal Sciences (AREA)
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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention relates to the technical field of cables and discloses an energy-saving test system for a cable current circulation heating test and a method thereof, wherein a workbench of the energy-saving test system and a plurality of fixing seats are fixedly arranged at the top of the workbench; the invention is provided with the heat energy conversion component, in particular, when in test, the cable continuously generates heat to heat the inner side of the isolation cover, at the moment, the miniature water pump is used for circularly supplying water into the water tank by utilizing the pipeline, so that the two surfaces of the installation groove are provided with the cold and hot ends, then the semiconductor thermoelectric generator is used for generating electricity and storing the power in the storage battery, the heat energy is recovered, the energy is fully utilized, the energy waste is reduced, and the energy saving performance of the equipment is improved.
Description
Technical Field
The invention belongs to the technical field of cable tests, and particularly relates to an energy-saving test system and method for a cable current circulation heating test.
Background
The development of the national industry is not separated from the development of electric power, and along with the rapid development of the industries such as national high-speed rail, nuclear power and the like, higher requirements are put forward on the performance of the related products, and the development of the high-voltage cable is more closely related to the electric power. At present, manufacturers capable of producing 500kV cables in China increasingly grow, network power supply of ultra-high voltage cables is not two choices of most industrial cities, stability of cable lines is closely related to reliability of urban power supply, and type tests and pre-identification tests of the cables and accessories of the cables can comprehensively reflect performance of the power cables. The existing cable current circulation heating test system has the following problems:
in the load description in the specification of the DC power transmission extrusion insulated power cable technical Specification of 500kV rated voltage and below in the first part of test methods and requirements in the technical Specification of the wire and cable quality supervision and inspection center in IEC Standard and national, the tested object is a cable or a cable accessory of a certain length, the load cycle comprises a heating stage and a cooling stage, and the 24h load cycle comprises at least 8h heating and at least 16h natural cooling. The 48h duty cycle includes at least 24h heating and at least 24h natural cooling, and it is apparent that a significant amount of thermal energy is generated from the long term heating during the test.
However, based on the actual test process, the test is often carried out in an indoor open environment, a large amount of heat generated by the cable in the test process can be quickly lost indoors, the waste of energy is generated, and the indoor environment can influence the test result; and secondly, after heating, natural cooling for more than a few hours is needed, and the cooling time is too long, so that the test process is prolonged.
Disclosure of Invention
The invention aims to provide an energy-saving test system and a method for a cable current circulation heating test, wherein a heat energy conversion assembly is arranged, a semiconductor thermoelectric generator is used for generating electricity and storing a power supply in a storage battery, heat energy is recovered, energy sources are fully utilized, energy waste is reduced, energy saving performance of equipment is improved, a cable is conveniently supported and fixed through the arrangement of a cable fixing assembly, the cable is conveniently used, a heat dissipation assembly is arranged, a fan is powered by electric energy stored in the storage battery through heat energy conversion, the fan blows air to the cable through an air deflector, then exhaust and heat dissipation are carried out through a ventilation port, natural heat dissipation efficiency is accelerated, and test efficiency is ensured.
The technical scheme adopted by the invention is as follows:
the utility model provides an energy-saving test system of cable current circulation heating test, is applied to cable test, this energy-saving test system workstation and a plurality of fixing base, a plurality of fixing base fixed mounting is at the workstation top, fixing base both ends top fixedly connected with end plate, the mounting hole has been seted up to end plate top one side, and this energy-saving test system includes:
the test circuit assembly is arranged at the side edge and the top of the workbench and is used for supplying power to and monitoring the test process;
the heat energy conversion component is arranged on the workbench and the fixing seat and is used for recycling heat generated by the cable in the test process;
the cable fixing assembly is arranged at the top of the fixing seat and used for fixing cables with different lengths, so that the test is convenient to perform;
the heat dissipation assembly is arranged above the fixed seat and used for accelerating the natural heat dissipation of the cable after the test;
the heat energy conversion assembly comprises a shielding cage, a water tank, a mounting groove, a partition plate, a water outlet, a water inlet, a water outlet branch pipe, a water inlet branch pipe, a water outlet main pipe, a water inlet pipe, a miniature water pump, a water tank, a semiconductor thermoelectric generator and a storage battery, wherein one side of the shielding cage is rotationally connected to one side of the top of the fixing seat, the water tank and the mounting groove are arranged inside the shielding cage, the partition plate is fixedly connected to the top of the inner side of the water tank, the water outlet and the water inlet are arranged at one end of the water tank, the storage battery is fixedly arranged at the bottom of a workbench, the semiconductor thermoelectric generator is fixedly arranged inside the mounting groove, the water tank is fixedly arranged inside the bottom of the workbench, the miniature water pump is fixedly arranged at the bottom of the water tank, the output end of the miniature water pump is communicated with the inner side of the water inlet main pipe through the water inlet pipe, the inner side of the water outlet main pipe is communicated with the water tank through a pipeline, the inner side of the water outlet main pipe is communicated with the water outlet through the water outlet branch pipe, and the water inlet pipe is fixedly arranged at the bottom of the water inlet.
Optionally, the semiconductor thermoelectric generator input end is supported respectively and is established at mounting groove inner wall top and bottom, semiconductor thermoelectric generator output is connected with the battery electricity through the electric wire.
Optionally, the test circuit subassembly is including computer, switch board, control by temperature change case, analog current transformer, test current transformer, auxiliary test voltage regulator, main test voltage regulator, compensation cabinet, power supply line and return line, the computer is located the workstation top, switch board, control by temperature change case, analog current transformer, test current transformer, auxiliary test voltage regulator and main test voltage regulator are located workstation one side, the compensation cabinet is located workstation bottom inboard, power supply line and return line one end and compensation cabinet assorted.
Optionally, the cable fixation assembly includes slide bar, sliding block, base, lower mounting, branch, goes up mounting, dead lever, dead screw, nut, turning handle, terminal, fixture block, extension spring and support piece, slide bar fixed connection is inboard at the end plate, sliding block sliding connection is at the slide bar outer wall, base fixed connection is in sliding block top axle center department, lower mounting passes through threaded connection at the base top, branch fixed connection is in sliding block top one side, go up mounting one end and rotate to connect at the branch top, dead lever one end rotates to be connected in sliding block top one side, dead screw one end rotates to be connected at sliding block one end, the nut passes through threaded connection at the dead screw outer wall, turning handle fixed connection is at the dead screw outer wall, terminal fixed connection is in last mounting one side, fixture block one end rotates to be connected at sliding block one end top, extension spring fixed mounting is between fixture block and sliding block, support piece sliding connection is at the slide bar outer wall.
Optionally, the upper fixing piece is movably mounted on the inner side of the top of the lower fixing piece, and one end of the upper fixing piece is fixedly mounted on the outer wall of the fixing screw rod through a screw cap.
Optionally, the terminal is located the mounting hole inboard, the terminal is connected with power supply line and backward flow circuit electricity respectively.
Optionally, one end of the tension spring is fixedly arranged at the bottom of the sliding block, the other end of the tension spring is fixedly arranged at the axis of the bottom of the clamping block, and the bottom of the clamping block is movably arranged on the outer wall of the sliding rod.
Optionally, the radiating component includes cooling tube, side opening, a plurality of fans, a plurality of aviation baffle, sealing member, ventilative mouth, telescopic link and mount pad, cooling tube fixed mounting is inboard at the cage, the side opening is seted up inboard at the cooling tube, a plurality of fan fixed mounting is inboard at the cooling tube, a plurality of aviation baffle fixed mounting is inboard at cooling tube and side opening, sealing member sliding connection is inboard at the cooling tube both ends, the ventilative mouth is seted up at the sealing member lateral wall, mount pad fixed mounting is at cooling tube one end inner wall, telescopic link fixed mounting is in mount pad one side, just telescopic link output fixed mounting is in sealing member inboard axle center department.
Optionally, the cooling tube both ends run through in the cage both ends respectively, the fan passes through the electric wire and is connected with the battery electricity.
The method for the energy-saving test system for the cable current circulation heating test specifically comprises the following steps:
step one: firstly, selecting cables to be tested with different lengths, opening each isolation cover, then adjusting the height of a lower fixing piece, clamping one end of the cable to be tested between an upper fixing piece and the lower fixing piece, enabling the upper fixing piece and the lower fixing piece to clamp one point of the cable through cooperation between a fixing screw and a screw cap, adjusting the position of a sliding block after clamping, and supporting the cable on a supporting piece;
step two: then covering an isolation cover, performing power supply test through a test circuit assembly, continuously generating heat by a cable to heat the inner side of the isolation cover in the test process, circularly supplying water into a water tank through a miniature water pump by utilizing a pipeline to enable two surfaces of a mounting groove to form cold and hot ends, generating power by utilizing a semiconductor thermoelectric generator, and storing the power in a storage battery;
step three: finally, when carrying out natural cooling after carrying out the load test, store the electric energy in the battery through heat energy conversion and supply power to the fan this moment, the telescopic link extension opens the sealing member simultaneously, then the fan is bloied to the cable through the aviation baffle, and the ventilative mouth of permeating again is discharged the heat dissipation for natural radiating efficiency.
The invention has the technical effects that:
(1) This scheme is through having set up heat energy conversion component, and specific, during the test, the cable constantly produces heat, can be to the inboard heating of cage, utilizes the pipeline to carry out circulating water supply in the basin this moment through miniature water pump for the cold and hot end is formed to the two faces of mounting groove, then utilizes semiconductor thermoelectric generator to generate electricity and stores the power in the battery, retrieves heat energy, the make full use of energy reduces the waste of energy, thereby improves the energy-conserving performance of equipment.
(2) The cable fixing assembly is arranged, specifically, each isolation cover is opened, the height of the lower fixing piece is adjusted, then one end of a cable to be detected is clamped between the upper fixing piece and the lower fixing piece, one point of the cable is clamped by the upper fixing piece and the lower fixing piece through the cooperation between the fixing screw and the screw cap, the position of the sliding block is adjusted after the clamping, the cable is supported on the supporting piece, and the cable is supported and fixed conveniently and is convenient to use;
(3) The heat radiation assembly is arranged, specifically, when the heat radiation assembly is used, electric energy stored in the storage battery is used for supplying power to the fan, meanwhile, the telescopic rod stretches to open the sealing piece, then the fan blows air to the cable through the air deflector, and then the air is exhausted and radiated through the air ventilation port, so that the natural heat radiation efficiency is accelerated, and the test efficiency is ensured;
(4) Through having set up a plurality of fixing base and cage to cooperate with the cable fixed subassembly that sets up on the fixing base, specifically, in experimental in-process, can test many cables simultaneously, the test condition under the different length of test record cable of being convenient for.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, it will be apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art
FIG. 1 is a schematic diagram of the front side structure of an energy-saving test system for a cable current cyclic heating test of the present invention;
FIG. 2 is a schematic diagram of the rear structure of an energy-saving test system for a cable current cyclic heating test of the present invention;
FIG. 3 is a schematic diagram of a cable fixing component of an energy-saving test system for a cable current circulation heating test according to the present invention;
FIG. 4 is a schematic diagram of a front partial structure of a cable fixing assembly of an energy-saving test system for a cable current circulation heating test of the present invention;
FIG. 5 is an assembled view of a heat energy conversion assembly and a heat dissipation assembly of an energy-saving test system for a cable current cyclic heating test of the present invention;
FIG. 6 is a schematic diagram of a heat dissipation assembly of an energy-saving test system for a cable current cyclic heating test according to the present invention;
FIG. 7 is a schematic diagram of a heat dissipation assembly of an energy-saving test system for a cable current cyclic heating test according to the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 3A in accordance with the present invention;
FIG. 9 is an enlarged view of a portion of the invention at B in FIG. 4;
FIG. 10 is an enlarged view of a portion of the invention at C in FIG. 6;
FIG. 11 is a partial side cross-sectional view of a thermal energy conversion assembly of an energy efficient test system for a cable current cyclic heating test of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
101. a work table; 102. a computer; 103. a control cabinet; 104. a temperature control box; 105. an analog current transformer; 106. a test current transformer; 107. an auxiliary test voltage regulator; 108. a main test voltage regulator; 109. a compensation cabinet; 110. a power supply line; 111. a return line; 2. a fixing seat; 201. an end plate; 202. a mounting hole; 301. an isolation cover; 302. a water tank; 303. a mounting groove; 304. a partition plate; 305. a water outlet; 306. a water inlet; 307. a water discharge branch pipe; 308. a water inlet branch pipe; 309. a water drain header; 310. a water inlet main pipe; 311. a water inlet pipe; 312. a micro water pump; 313. a water tank; 314. a semiconductor thermoelectric generator; 315. a storage battery; 401. a slide bar; 402. a sliding block; 403. a base; 404. a lower fixing member; 405. a support rod; 406. an upper fixing member; 407. a fixed rod; 408. a fixed screw; 409. a screw cap; 410. a rotating handle; 411. binding posts; 412. a clamping block; 413. a tension spring; 414. a support; 501. a heat radiating pipe; 502. a side opening; 503. a blower; 504. an air deflector; 505. a seal; 506. a ventilation port; 507. a telescopic rod; 508. and (5) a mounting seat.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-11, the invention provides an energy-saving test system for a cable current circulation heating test, which is applied to a cable test, wherein a workbench 101 and a plurality of fixing seats 2 of the energy-saving test system are fixedly arranged at the top of the workbench 101, the tops of two ends of the fixing seats 2 are fixedly connected with end plates 201, and one side of the top of each end plate 201 is provided with a mounting hole 202, and the energy-saving test system comprises:
the test circuit components are arranged on the side and the top of the workbench 101 and are used for supplying power to and monitoring the test process;
the heat energy conversion component is arranged on the workbench 101 and the fixed seat 2 and is used for recycling heat generated by the cable in the test process;
the cable fixing assembly is arranged at the top of the fixing seat 2 and is used for fixing cables with different lengths, so that the test is convenient to perform;
the heat dissipation assembly is arranged above the fixed seat 2 and used for accelerating the natural heat dissipation of the cable after the test;
the heat energy conversion assembly comprises a shielding cover 301, a water tank 302, a mounting groove 303, a partition 304, a water outlet 305, a water inlet 306, a water discharge branch 307, a water inlet branch 308, a water discharge main 309, a water inlet main 310, a water inlet 311, a miniature water pump 312, a water tank 313, a semiconductor thermoelectric generator 314 and a storage battery 315, wherein one side of the shielding cover 301 is rotationally connected to one side of the top of a fixed seat 2, the water tank 302 and the mounting groove 303 are arranged in the inside of the shielding cover 301, the partition 304 is fixedly connected to the top of the inner side of the water tank 302, the water outlet 305 and the water inlet 306 are arranged at one end of the water tank 302, the storage battery 315 is fixedly arranged at the bottom of the workbench 101, the semiconductor thermoelectric generator 314 is fixedly arranged in the mounting groove 303, the water tank 313 is fixedly arranged at the inner side of the bottom of the workbench 101, the miniature water pump 312 is fixedly arranged at the bottom of the water tank 313, the water discharge main 309 and the water inlet main 310 are fixedly arranged at one side of the workbench 101, the output end of the miniature water pump 312 is communicated with the inside of the water inlet main 310 through the water inlet 311, the water discharge main 309 is communicated with the inside of the water tank 313 through a pipeline, the inside of the drainage main 309 is communicated with the water outlet 307 through the branch 307, the inside is communicated with the water outlet 303, the inside, the water outlet 310 is communicated with the semiconductor thermoelectric generator is communicated with the water outlet 306 through the water inlet 306, the thermoelectric generator 314 is respectively, and the thermoelectric generator 314 is connected to the inner side of the inner wall of the bottom of the electric wire of the workbench 101; through setting up water tank 302 and mounting groove 303 in cage 301 to install semiconductor thermoelectric generator 314 in mounting groove 303, in the in-process of test, the cable constantly produces the inboard heating of heat to cage 301, at this moment, utilize pipeline to carry out circulating water supply in to water tank 302 through miniature water pump 312 that sets up, make the cold and hot end of two sides face of mounting groove 303, then utilize semiconductor thermoelectric generator 314 to generate electricity and store the power in battery 315, wherein foretell drainage branch 307 and intake branch 308 all adopt the hose, can stretch out and draw back, make things convenient for cage 301 to open and shut.
In some embodiments, referring to fig. 1 and 2, the test circuit assembly includes a computer 102, a control cabinet 103, a temperature control box 104, an analog current transformer 105, a test current transformer 106, an auxiliary test voltage regulator 107, a main test voltage regulator 108, a compensation cabinet 109, a power supply line 110 and a return line 111, wherein the computer 102 is positioned at the top of the workbench 101, the control cabinet 103, the temperature control box 104, the analog current transformer 105, the test current transformer 106, the auxiliary test voltage regulator 107 and the main test voltage regulator 108 are positioned at one side of the workbench 101, the compensation cabinet 109 is positioned at the inner side of the bottom of the workbench 101, and one ends of the power supply line 110 and the return line 111 are matched with the compensation cabinet 109; the test circuit assembly adopts the technical scheme of present, be equipped with high-voltage switch cabinet in the power control system, be equipped with the voltage regulator in the voltage regulating system, the voltage regulator divide into auxiliary test voltage regulator 107 and main test voltage regulator 108, be equipped with the compensation cabinet 109 in the reactive power compensation system, the compensation cabinet 109 is single-phase reactive power compensation cabinet 109, be equipped with the cable in the heavy current system, select the core transformer quantity of wearing according to cable length, be equipped with connecting tube between control cabinet 103 and the temperature-controlled box 104, connecting tube is optic fibre, temperature-controlled box 104 still is connected with the thermocouple, analog current transformer 105 is connected with analog cable, test current transformer 106 and test cable interconnect, temperature-controlled box 104 sets up respectively on analog cable and test cable, high-voltage switch cabinet controls main power supply, high-voltage switch cabinet control test circuit and analog circuit power's switching.
In some embodiments, referring to fig. 3, 8 and 9, the cable fixing assembly comprises a sliding rod 401, a sliding block 402, a base 403, a lower fixing member 404, a supporting rod 405, an upper fixing member 406, a fixing rod 407, a fixing screw 408, a nut 409, a rotating handle 410, a binding post 411, a clamping block 412, a tension spring 413 and a supporting member 414, wherein the sliding rod 401 is fixedly connected to the inner side of the end plate 201, the sliding block 402 is slidingly connected to the outer wall of the sliding rod 401, the base 403 is fixedly connected to the top axis of the sliding block 402, the lower fixing member 404 is connected to the top of the base 403 through threads, the supporting rod 405 is fixedly connected to one side of the top of the sliding block 402, one end of the upper fixing member 406 is rotatably connected to the top of the supporting rod 405, one end of the fixing rod 407 is rotatably connected to one side of the top of the sliding block 402, one end of the fixing screw 408 is rotatably connected to one end of the sliding block 402, the nut 409 is connected to the outer wall of the fixed screw 408 through threads, the rotating handle 410 is fixedly connected to the outer wall of the fixed screw 408, the binding post 411 is fixedly connected to one side of the upper fixing piece 406, one end of the clamping block 412 is rotatably connected to the top of one end of the sliding block 402, the tension spring 413 is fixedly arranged between the clamping block 412 and the sliding block 402, the supporting piece 414 is slidably connected to the outer wall of the sliding rod 401, the upper fixing piece 406 is movably arranged on the inner side of the top of the lower fixing piece 404, one end of the upper fixing piece 406 is fixedly arranged on the outer wall of the fixed screw 408 through the nut 409, the binding post 411 is positioned on the inner side of the mounting hole 202, the binding post 411 is respectively electrically connected with the power supply line 110 and the backflow line 111, one end of the tension spring 413 is fixedly arranged at the bottom of the sliding block 402, the other end of the tension spring 413 is fixedly arranged at the axis of the bottom of the clamping block 412, and the bottom of the clamping block 412 is movably arranged on the outer wall of the sliding rod 401; through the setting of slide bar 401 to the movable sliding block 402 that sets up on the slide bar 401, at first adjust the height of lower mounting 404, then press from both sides the one end of waiting to detect the cable between upper mounting 406 and lower mounting 404, and through cooperation between fixing screw 408 and the nut 409, make upper mounting 406 and lower mounting 404 press from both sides the cable one point tight, adjust the position of sliding block 402 after pressing from both sides tightly, and support the cable on support piece 414, through the setting of fixture block 412 and extension spring 413, utilize fixture block 412 card at the outer wall of slide bar 401, can fix the position of sliding block 402.
In some embodiments, referring to fig. 5, 6 and 10, the heat dissipation assembly includes a heat dissipation tube 501, a side opening 502, a plurality of fans 503, a plurality of air deflectors 504, a sealing member 505, an air vent 506, a telescopic rod 507 and a mounting seat 508, wherein the heat dissipation tube 501 is fixedly installed inside the isolation cover 301, the side opening 502 is opened inside the heat dissipation tube 501, the plurality of fans 503 are fixedly installed inside the heat dissipation tube 501, the plurality of air deflectors 504 are fixedly installed inside the heat dissipation tube 501 and the side opening 502, the sealing member 505 is slidingly connected inside two ends of the heat dissipation tube 501, the air vent 506 is opened on the side wall of the sealing member 505, the mounting seat 508 is fixedly installed on the inner wall of one end of the heat dissipation tube 501, the telescopic rod 507 is fixedly installed on one side of the mounting seat 508, the output end of the telescopic rod 507 is fixedly installed at the axis of the inner side of the sealing member 505, two ends of the heat dissipation tube 501 respectively penetrate through two ends of the isolation cover 301, and the fans 503 are electrically connected with the storage battery 315 through wires; through the setting of cooling tube 501 to install a plurality of fan 503 and a plurality of aviation baffle 504 in cooling tube 501, store the electric energy in battery 315 through heat energy conversion and supply power to fan 503, telescopic link 507 extension opens sealing member 505 simultaneously, then fan 503 is bloied the cable through aviation baffle 504, again is through ventilative mouth 506 carrying out the exhaust heat dissipation, quickens natural radiating efficiency.
The working flow and principle of the invention are as follows: firstly, cables to be tested with different lengths are selected, each isolation cover 301 is opened, then the height of a lower fixing part 404 is adjusted, then one end of the cable to be tested is clamped between an upper fixing part 406 and the lower fixing part 404, and is matched with a nut 409 through a fixing screw 408, so that the upper fixing part 406 and the lower fixing part 404 clamp one point of the cable, the position of a sliding block 402 is adjusted after clamping, the cable is supported on a supporting part 414, after the cables with different lengths are fixed, the isolation cover 301 is closed, at the moment, the power supply test is carried out through a test circuit assembly, in the process of the test, the cable continuously generates heat to heat the inner side of the isolation cover 301, at the moment, a miniature water pump 312 is used for circularly supplying water into a water tank 302 through a pipeline, so that cold and hot ends are formed on two sides of an installation groove 303, then a semiconductor thermoelectric generator 314 is used for generating electricity and storing the power in a storage battery 315, then, when the power is naturally cooled after the load test, at the moment, the fan 503 is powered on through electric energy stored in the storage battery 315, the expansion link is stretched, the sealing part 505 is opened, then the fan 503 is opened, the fan 503 is passed through the cable 503, the heat is continuously generated, the heat is discharged through the cable 506, the heat dissipation efficiency is further, and natural ventilation is carried out.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (10)
1. The utility model provides an energy-saving test system of cable current circulation heating test, is applied to cable test, this energy-saving test system workstation (101) and a plurality of fixing base (2), a plurality of fixing base (2) fixed mounting is at workstation (101) top, fixing base (2) both ends top fixedly connected with end plate (201), mounting hole (202) have been seted up to end plate (201) top one side, and its characterized in that, this energy-saving test system includes:
the test circuit assembly is arranged at the side and the top of the workbench (101) and is used for supplying power to and monitoring the test process;
the heat energy conversion component is arranged on the workbench (101) and the fixing seat (2) and is used for recycling heat generated by the cable in the test process;
the cable fixing assembly is arranged at the top of the fixing seat (2) and is used for fixing cables with different lengths, so that the test is convenient to perform;
the radiating component is arranged above the fixed seat (2) and is used for accelerating the natural heat radiation of the cable after the test;
the heat energy conversion component comprises a shielding cover (301), a water tank (302), a mounting groove (303), a partition plate (304), a water outlet (305), a water inlet (306), a water outlet branch pipe (307), a water inlet branch pipe (308), a water drain main pipe (309), a water inlet main pipe (310), a water inlet pipe (311), a miniature water pump (312), a water tank (313), a semiconductor thermoelectric generator (314) and a storage battery (315), wherein one side of the shielding cover (301) is rotationally connected to one side of the top of a fixed seat (2), the water tank (302) and the mounting groove (303) are formed in the shielding cover (301), the partition plate (304) is fixedly connected to the top of the inner side of the water tank (302), the water outlet (305) and the water inlet (306) are formed in one end of the water tank (302), the storage battery (315) is fixedly mounted at the bottom of a workbench (101), the semiconductor thermoelectric generator (314) is fixedly mounted in the mounting groove (303), the water tank (313) is fixedly mounted at the inner side of the bottom of the workbench (101), the miniature water pump (312) is fixedly mounted at the bottom of the water tank (313), the water drain main pipe (309) and the water drain main pipe (310) is fixedly mounted at one side of the workbench (101), the output end of the miniature water pump (312) is communicated with the inside of a water inlet main pipe (310) through a water inlet pipe (311), the inside of a water outlet main pipe (309) is communicated with the inside of a water tank (313) through a pipeline, the inside of the water outlet main pipe (309) is communicated with a water outlet (305) through a water outlet branch pipe (307), and the water inlet main pipe (310) is communicated with a water inlet (306) through a water inlet branch pipe (308).
2. The energy-saving test system for a cable current cyclic heating test of claim 1, wherein: the input end of the semiconductor thermoelectric generator (314) is respectively abutted to the top and the bottom of the inner wall of the mounting groove (303), and the output end of the semiconductor thermoelectric generator (314) is electrically connected with the storage battery (315) through an electric wire.
3. The energy-saving test system for a cable current cyclic heating test of claim 2, wherein: the test circuit assembly comprises a computer (102), a control cabinet (103), a temperature control box (104), an analog current transformer (105), a test current transformer (106), an auxiliary test voltage regulator (107), a main test voltage regulator (108), a compensation cabinet (109), a power supply circuit (110) and a reflux circuit (111), wherein the computer (102) is located at the top of the workbench (101), the control cabinet (103), the temperature control box (104), the analog current transformer (105), the test current transformer (106), the auxiliary test voltage regulator (107) and the main test voltage regulator (108) are located at one side of the workbench (101), the compensation cabinet (109) is located at the inner side of the bottom of the workbench (101), and one end of the power supply circuit (110) and one end of the reflux circuit (111) are matched with the compensation cabinet (109).
4. The energy-saving test system for a cable current cyclic heating test of claim 1, wherein: the cable fixing assembly comprises a sliding rod (401), a sliding block (402), a base (403), a lower fixing piece (404), a supporting rod (405), an upper fixing piece (406), a fixing rod (407), a fixing screw (408), a nut (409), a rotating handle (410), a binding post (411), a clamping block (412), a tension spring (413) and a supporting piece (414), wherein the sliding rod (401) is fixedly connected to the inner side of an end plate (201), the sliding block (402) is slidably connected to the outer wall of the sliding rod (401), the base (403) is fixedly connected to the top axis of the sliding block (402), the lower fixing piece (404) is connected to the top of the base (403) through threads, the supporting rod (405) is fixedly connected to one side of the top of the sliding block (402), one end of the fixing rod (407) is rotatably connected to one side of the top of the sliding block (402), one end of the fixing screw (408) is rotatably connected to one end of the sliding block (402), the nut (409) is connected to the outer wall of the fixing screw (408) through threads, the rotating handle (408) is fixedly connected to one side of the fixing rod (410) through threads, the fixing rod (410) is fixedly connected to one side of the fixing rod (411), one end of the clamping block (412) is rotatably connected to the top of one end of the sliding block (402), the tension spring (413) is fixedly arranged between the clamping block (412) and the sliding block (402), and the supporting piece (414) is slidably connected to the outer wall of the sliding rod (401).
5. The energy-saving test system for a cable current cyclic heating test of claim 4, wherein: the upper fixing piece (406) is movably arranged on the inner side of the top of the lower fixing piece (404), and one end of the upper fixing piece (406) is fixedly arranged on the outer wall of the fixing screw (408) through a screw cap (409).
6. The energy-saving test system for a cable current cyclic heating test of claim 4, wherein: the binding post (411) is positioned at the inner side of the mounting hole (202), and the binding post (411) is electrically connected with the power supply line (110) and the reflux line (111) respectively.
7. The energy-saving test system for a cable current cyclic heating test of claim 4, wherein: one end of the tension spring (413) is fixedly arranged at the bottom of the sliding block (402), the other end of the tension spring (413) is fixedly arranged at the axis of the bottom of the clamping block (412), and the bottom of the clamping block (412) is movably arranged on the outer wall of the sliding rod (401).
8. The energy-saving test system for a cable current cyclic heating test of claim 1, wherein: the heat radiation assembly comprises a heat radiation pipe (501), a side opening (502), a plurality of fans (503), a plurality of air deflectors (504), sealing elements (505), ventilation openings (506), telescopic rods (507) and mounting seats (508), wherein the heat radiation pipe (501) is fixedly mounted on the inner side of a shielding cover (301), the side opening (502) is formed on the inner side of the heat radiation pipe (501), the fans (503) are fixedly mounted on the inner side of the heat radiation pipe (501), the air deflectors (504) are fixedly mounted on the inner sides of the heat radiation pipe (501) and the side opening (502), the sealing elements (505) are slidably connected on the inner sides of two ends of the heat radiation pipe (501), the side walls of the sealing elements (505) are formed on the inner sides of one end of the heat radiation pipe (501), the telescopic rods (507) are fixedly mounted on one side of the mounting seats (508), and the output ends of the telescopic rods (507) are fixedly mounted on the inner sides of the sealing elements (505).
9. The energy-saving test system for a cable current cyclic heating test of claim 8, wherein: the two ends of the radiating pipe (501) respectively penetrate through the two ends of the isolation cover (301), and the fan (503) is electrically connected with the storage battery (315) through an electric wire.
10. A method of a cable current loop heating test energy saving test system according to any of claims 1-9, characterized by: the method specifically comprises the following steps:
step one: firstly, selecting cables to be tested with different lengths, opening each isolation cover (301), then adjusting the height of a lower fixing piece (404), clamping one end of the cable to be tested between an upper fixing piece (406) and the lower fixing piece (404), enabling the upper fixing piece (406) and the lower fixing piece (404) to clamp one point of the cable through the cooperation between a fixing screw (408) and a screw cap (409), adjusting the position of a sliding block (402) after clamping, and supporting the cable on a supporting piece (414);
step two: then covering an isolation cover (301), performing power supply test through a test circuit assembly, continuously generating heat by a cable to heat the inner side of the isolation cover (301) in the test process, circularly supplying water into a water tank (302) through a miniature water pump (312) by utilizing a pipeline, enabling two surfaces of a mounting groove (303) to form cold and hot ends, generating power by utilizing a semiconductor thermoelectric generator (314), and storing the power in a storage battery (315);
step three: finally, when the natural cooling is performed after the load test, the electric energy stored in the storage battery (315) is used for supplying power to the fan (503) through heat energy conversion, meanwhile, the expansion rod (507) stretches to open the sealing piece (505), then the fan (503) blows air to the cable through the air deflector (504), and then the air is exhausted and radiated through the ventilation port (506), so that the natural radiating efficiency is accelerated.
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Effective date of registration: 20231113 Address after: Room 811, 8th Floor, R&D Building, No. 3 Spectral West Road, Huangpu District, Guangzhou City, Guangdong Province, 510000 (multiple photos of one site) Applicant after: Guangzhou Zhongdian Power Development Co.,Ltd. Address before: No. 56 Qishan Village, Fangqiao Street, Yixing City, Wuxi City, Jiangsu Province, 214200 Applicant before: HIPO ELECTRIX SCIENCE & TECHNOLOGY Co.,Ltd. |
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